Description：The peptide is used to block Anti-Complement C4A/B Antibody (#CPA3103) reactivity.Form：Lyophilized powderGene Symbol：C4A; C4BAlternative Names：C4A; CO4; CPAMD2; Complement C4-A; Acidic complement C4; C3 and PZP-like alpha-2-macroglobulin domain-containing protein 2; C4B; CO4; CPAMD3; Complement C4-B; Basic complement C4; C3 and PZP-like alpha-2-macroglobulin domain-containing protein 3 Entrez Gene (Human)： 720; 721; SwissProt (Human)： P0C0L4; P0C0L5; Purity：>85%Directions for Use：Blocking Peptide to the diluted primary antibody in a molar ratio of 10:1 (peptide to antibody) and incubate the mixture at 4°C for overnight or at room temperature for 2 hours.Quality Control：The quality of the peptide was evaluated by reversed-phase HPLC and by mass spectrometry.Storage/Stability：Shipped at 4°C. Store at -20°C for one year.